70378480 has 40 divisors (see below), whose sum is σ = 164833200. Its totient is φ = 27944448.

The previous prime is 70378409. The next prime is 70378481. The reversal of 70378480 is 8487307.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×70378480² = 9906260894220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70378481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7956 + ... + 14284.

It is an arithmetic number, because the mean of its divisors is an integer number (4120830).

Almost surely, 2^70378480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70378480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82416600).

70378480 is an abundant number, since it is smaller than the sum of its proper divisors (94454720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70378480 is a wasteful number, since it uses less digits than its factorization.

70378480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481 (or 6475 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 70378480 is about 8389.1882801616. The cubic root of 70378480 is about 412.8699686598.

The spelling of 70378480 in words is "seventy million, three hundred seventy-eight thousand, four hundred eighty".